308422A CX-7, CX-8, And CX-9 Turbine Sprayers
INSTRUCTIONS-308-422RTS LISTThis manual contains importantwarnings and information.READ ANDRETAIN FOR REFERENCEORACORev. ACX-7, CX-8, and CX-9Turbine Sprayers11Oi120 V5Oi60 HzCX- 7,CX-8 5 psi (0.34 bar)CX- 9 6 psi (0.4 1 bar)Model M70102Complete.CX-7 Turbine, with hose andturbine gunModel M71281Basic CX-7 Turbine, without hose orgunModel M70122Complete CX-8 Turbine, with remote2 qt cup, hose,and turbine gunModel M71282Basic CX-8 Turbine, without hoseor gunModel M70136Complete CX-9 Turbine, with hose andturbine gunModel M71283Basic CX-9 Turbine, without hose orgunCX-7 and CX-9GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441@COPYRIGHT1994. GRACO INC.03015
For Professional UseOnly. ObserveAll Warnings.Read and understand all instruction manuals before operating equipment.EQUIPMENT MISUSEHAZARDGeneral SafetyAny misuse of the spray equipment oraccessories,such as improper usage, over pressurizing,modifyingparts, using incompatiblechemicals and fluids, orusing worn or damaged parts, can causethem to rupture and result in serious injury, fire, explosionorproperty damage.Never point the spray gun at anyone or at anypartof the body.Never put handor fingers over the spray nozzle.0Never tryto stop ordeflect leaks with yourhand orbody.Always turn off the air supply to the gun beforeremoving the spray gun cup.Check all sprayequipment regularly and repair orreplace worn or damaged partsimmediately.Only usegenuine Graco replacement parts whenservicing thegun.Never alteror modify any part 01this equipment;doing so could cause toit malfunction.2 308-422Read and follow the fluid and solvent manufacturer's literatureregarding the use ofprotectiveeyewear, gloves, clothing, respirator and otherequipment.Fluid CompatibilityBe sure all fluidsand solvents used are chemicallyComDatible with the"Wetted Parts"shown in the5. Always read thefluid andSpecifications on pagesolvent manufacturer's literaturebefore usingthe fluidor solvent in this gun.Do not use 1, I ,l-trichloroethane, methylene chloride,other halogenated hydrocarbon solventsor fluids containing such solvents inthe turbine spraysystem,which contains aluminum and/or galvanized-coatedparts. Such use could result in a serious chemicalreaction, with the possibility of explosion, which couldcause death, serious injury, and/orsubstantial properly damage.System PressureThe CX-7 and CX-8 have apsi of 5 (0.34 bar) andthe CX-9 has apsi of 6 (0.41). Never exceed themaximum pressures ofthe turbineor any other corn.ponent oraccessory usedin thesystem.To relieve pressure,turn off the turbine. For pressurerelief of remote pressurepots for the CX-8, refer tothe turbine gunmanual, 308-336.
HOSE SAFETYDo not use fluids or solventswhich are not compatible with the system airhose(@.Tighten all fluid connections securely before eachuse.Never use adamaged hose. Before each use,checkthe entire hose for cuts, leaks, abrasion,bulgingcover, or damageor movement of the hose couplings.If any of theseconditions exist, replacethe hoseimmediately.FIRE OR EXPLOSIOSparking and FlammableVapors HazardSparking can be expected in the normal operationof Avoidthe turbine motor. Sparkscould ignite fumes from fromflammable liquid, dust particles and other flammablesubstances in thespray area, and cause seriousinjury and propertydamage. Be sure to follow the precautions below:When flammable liquid is sprayed or usedforflushing or cleaningequipment, the turbine mustbe placedat least20 feet (6.1 m) away from areaswhere hazardousconcentrationsof flammablevapors arelikely to occur.Use additional air hose if necessary to ensure thatthe turbineis operated in a clean, dry,well ventilated area.Never place the turbineinside a spray booth!Usethis equipment outdoorsor in extremely well ventilated areas.HAZARDIgnition Sourcesallignition sources such as staticelectricityplastic drop cloths, open flames such as pilotlights, hot objects suchas cigarettes, arcsfrom connecting or disconnecting power cords or turninglightswitches on andoff. Extinguish orremove all sourcesof ignition.GroundingTo reduce the risk of staticsparking, groundthe turbine andall other sprayequipment used or located inthe spray area. Checkyour localelectrical code fordetailed groundinginstructions for.your area and typeof equipment.To ground the turbine:Plug the power supply cordinto a properly groundedoutlet. Do not remove thegrounding prong from thepower cord. Do not use anadapter. Extension cords must havethree wiresandbe rated for aminimum of 15 amps.IMPORTANTUnited States Government safetystandards have been adopted underthe Occupational Safety andHealth Act. These stan.dards--particularly the General Standards, Part 1910 and the Construction Standards,Part 1926--should be consulted.Table of ContentsWarnings. .General Information .Specifications. .Dimensions .Setup,. .Shutdown .245569Maintenance. .10Troubleshooting .11Repair .:. . 12Parts. .15Accessories.23Warranty .Backcover308-4223. ,
General InformationThe Series700 Turbine Spray Guncan spray mostcoatings or finishes currently being used for automotive refinish, industrial, aerospace, marine, wood,plastic and architectural applications.This spray gun typically utilizes 5 psi (0.34 bar) forCX-7 and CX-8 and 6 psi (0.41 bar) forthe CX-9inbound air pressure to produce high quality paintfinishes. Thegun produces a cone of airthat carriesand directs the paint from the gun to the surface,minimizing overspray and increasing transfer efficiency. This enablespainters to comply with newclean air lawsthat are designed to reduce VOC (volatile organic compounds) emissions, easespaintapplication by requiring fewer paint passes to obtaincoverage, and saves on both material and clean-uptime.Refer to theturbine gun manual, 308-336, for moreinformation on the operation and use of the turbinespray gun.Unpack the Graco Turbine Sprayerfrom the shippingcarton and inspect for anypossible shipping damage.If necessary, call the Graco Customer Servicetollfree number at 800-328-021 1.The contentsof the CX-7 Turbine Sprayer,ModelM70102, includes:1 CX-7 Turbine Sprayer, M727811 Turbine Gun, M703081 20 ft. hose, M715801 SprayerInstruction Manual, 308-42201 GunInstruction Manual, 308-336The contentsof the CX-8 Turbine Sprayer,ModelM70122, includes:00001 CX-8 Turbine Sprayer,M727821 Turbine Gun, M703611 20 ft. hose, M715801 2qt. cup, M709621 20 ft. braided air hose, M7158810 wire ties, M711791 male,quick disconnect, M706751 SprayerInstruction Manual, 308-4221 Gun Instruction Manual, 308-336The contentsof the CX-8 bare sprayer,ModelM71282, includes:1 CX-8 Turbine Sprayer, M727821 SprayerInstruction Manual, 308-,422The contentsof the CX-9 Turbine Sprayer,ModelM70136, includes:1 CX-9 Turbine Sprayer, M72783001 Turbine Gun, M703081 20ft. hose. M715801 SprayerInstruction Manual, 308-4221 GunInstruction Manual, 308-336The contentsof the CX-9 bare sprayer, ModelM71283, includes:1 CX-9 Turbine Sprayer, M727831 Sprayer Instruction Manual, 308-422SpecificationsPower Requirements .; . 110/12OVAC, 50/60HzAmps @ 120 voltsCX-7 .1 phase,8 amp minimumCX-8, CX-9 .1 phase, 10 amp minimumPower Cord . No. 16 AWG. 3 wire, 10 ft (3 m ) tCFM unrestricted (3/4" restriction)97 CFMCX-7, CX-8 .105 CFMCX-9. .Turbine Stages .2Maximum Turbine Hose Length40ft (12 m)CX-7, CX-8 .CX-9 .60 ft (18 m)CUPcx-7, cx-9 .1 qtc x - 8 . . .2 qt4 308-422t DO NOT exceed 100 n, 12 AWG extension cordPTFEa registered trademark of theDu Pont Corporation.Wetted PartsBare Spray Gun . . . . . . . . . Stainless Steel,PTFEHard-coated Aluminum,Spray Gun Cups. . . . . . . . Aluminum, Polyethylene2 Quart AccessoryRemote PressurePot. . . . Aluminum, Polyethylene2-112 Gallon AccessoryRemote PressurePot . . . . . . . . . . Galvanized Steel,EPDM (standard).
SpecificationsPower Requirements . . . . . . . . 110/120 VAC, 50/60 HzAmps @ 120 voltsCX-7 . . . . . . . . . . . . . . . . . . .1 phase, 8amp minimumCX-8, CX-9 . . . . . . . . . . . .1 phase,10 amp minimumPower Cord . . . . . . . . No. 16 AWG, 3 wire, 10 ft (3 m ) tCFM unrestricted (3/4" restriction)97 CFMCX-7, CX-8 .CX-9. .105 CFMTurbine Stages.2Maximum Turbine Hose LengthCX-7, CX-8 .40 ft (12 m)CX-9. .60 ft (18 m)CUPcx-7, cx-9 .1 qtCX-8 .2 qtWetted PartsBare Spray Gun. 'Stainless Steel,PTFEHard-coated Aluminum,Spray Gun Cups . Aluminum, Polyethylene2 Quart AccessoryRemote PressurePot . Aluminum, Polyethylene2-1/2 Gallon AccessoryRemote PressurePot . . . . . . . . . . .Galvanized Steel,EPDM (standard)t DO NOT exceed 100 fl , 12 AWG extension cord TurbineShipping Weight (w/o pkg, hose, or gun)CX-7. .40 Ib (18kg)c x - 8 .47Ib (21.3kg)46 Ib (21kg)CX-9. .PTFE is a registered trademark of theDo Pont Corporation.CX-8 Air CompressorCFM .4HP .130HP28 psi (1.7 bar)PSI .DimensionsTurbine DiameterCX-7, CX-8 .5.7 in (144.78 mm)CX-9. .7.2 in (182.88 mm)308-4225
SetupNOTE: Refer to the turbine gunmanual, 308-336,for information on the operation and setupof the gun.Connect the Fluidand Air SupplyConnect the hoseto the gun.Connect thegun air supply hose(A) between theturbine air outlet (D)and the gun air inlet. DONOT use a wrenchto tighten connections; handtighten only. See Fig. 1.3. If using a spray gun cup (Bj, connect the cup tothe gun fluid inlet.4. For CX-8 only; If using an accessory remote pressure pot (C),connect thefluid supply hose(G)between the gunfluid inlet and the remote pressure pot.Connect the airhose (E)between the pressurepot air inlet and thecompressor airoutlet (F).1.2.NOTES:The circled letters in Fig. 1 indicate hoseline connections.* Only theCX-8 turbine unit includes a compressorfor use with a remote pressurepot.Connect to Electric Supply1. Plug the sprayer powercord into a grounded outlet.Air Control Valve(used toshut off airEU2-112 Gallon Remote Pressure PotPart NO. M70604 (see Accessories)Fig. 16 308-4222 Quart Remote Pressure PotPart No. M70962 (see Accessories)CX-8 Turbine shown02859
Prepare the Fluid1 . Always strainthe fluid before spraying;thisincludes color, reducerand hardeners if used.2. When using a turbine spraysystem, you needtouse a slowerdrying reducer or thinner to compensate forthe faster drying timecaused by thewarm air ofthe turbine. Do not over reduce.Accessory Remote Pressure PotWARNINGCAUTIONThe performanceof theturbine sprayer will varywith theviscosity of the material. Unnecessaryhoselength will cause the air pressureto drop.Paint Reduction- Automotive Type FinishesReduce and catalyze all paint to manufacturer's specifications. To compensate for the fasterdrying time ofturbine systems, use a reducer one-step slower thanwhat is used for conventional air spray.The.accessory remote pressurepots remain pressurized until pressure is manually relieved. Toreduce the risk of seriousinjury from pressurizedfluid or accidentalspray from thegun, alwaysrelieve pressurein thepressure pot before loosening or removing the cover.1.Relieve theremote pressure pot pressure by following these steps:a. Turn ofi the air supply to thepressure pot.b. 2 1/2 Gallon RemotePot: Pull the pressurerelief valvering (205) until pressure iscompletely relieved.2 Quart RemotePot: Turn out the pressurerelief knob (113) about oneturn. Wait untilpressure is completely relieved before removing the cover. Close theknob before usingthe3.system again. See Fig.-Paint Reduction Industrial or Domestic CoatingsReduce and catalyze all paint to manufacturer's specifications. If no reductions are given, firstthoroughlymix thefluid to be sprayed. Then gradually mixin theproper reducer, testing the fluid until you have the correct spraying consistency.To test the consistency: Removethe stir stick from thethinned paint. When the.paintstream running off thestir stick breaks into droplets, the first fewdropsshould be aboutone second apart.Fill the Cup or Remote Pressure PotSpray GunCupWARNINGThe spray gun cupis pressurized by the gun'sairsupply. To reduce therisk of seriousinjury frompressurizedfluid or accidentalspray from the gun,always turn off the airsupply to the gun beforeremoving thespray gun cup. Fig. 3Only fill the cup 3/4 full to help keepthe air pressuretube clean, then install the cover. Theunder-cup cover has alatch (H)to secure it to the cup. The over-cuphas aring with notches (J) that secures the cup hoodinto place when locked in placeon the cup.2.02860 02882Remove the pressure potcover and fill the pressure pot. Securethe cover.NOTE: 2 quart remote pressurepot only: lightly coatthe cover threads with petroleumjelly.308-422 7
CAUTIONIf the 2 quart remotepressure pot is accidentallytipped over or held at too great of an angle, fluidmay leak into the air regulator. Takeprecautions toavoid this. If fluid does get into the regulator, cleanit immediately.CAUTIONDo not tighten the pressurepot cover morethanhand-tight. Excessive tightening may damage thecover gasket.1. Turn the turbine ona fewminutes before youStartspraying to allow forwarm-up time.NOTE: When theturbine is not inuse foran extended periodof time,turn it off. The turbine does notshut off automatically.2.Be sure theturbine filter is clean beforeoperating.the filter.See page 9 to check and cleanPrepare the Surfaceto be SprayedNOTE: To adjust the spraygun pattern, seethe turbine gunmanual 308-336.To achieve proper adhesion, make sure the surface tobe sprayedis completely clean.CX-8 Cold Weather OperationOperating the TurbineWARNINGSparking can be expected in the normal operationof theturbine motor. Sparkscould ignite fumesfrom flammableliquid, dust particles and otherflammable substances in the spray area,andcause seriousinjury and propertydamage. Besure to followthe precautions below:00When flammable liquid is sprayed or usedforflushing or cleaning equipment,the turbinemust be placed at least20 feet (6.1 m) awayfrom areas where hazardousconcentrations offlammable vapors are likelyto occur.Turbine SprayModel CX-8 has adiaphragm compressor. Whenthis compressors is new, the diaphragmwill become stiff incold weather. If cold enough, thestiff diaphragm will not allow the compressorto start(the unit will hum). Ifthis occurs, follow these steps:1. Turn the turbine and compressoroff.2.Unplug the turbine from thepower source.3. Loosen.thefour main filter screwsand remove thefilter; replace the main filterand pre-filter if theyare dirty.Use additional air hose if necessary to ensurethat the turbine is operatedin a clean, dry, wellventilated area.4.Never place the turbine inside a spraybooth!Use this equipment outdoors or extremelyinwell ventilated areas.5. Reassemble the turbine.Avoid allignition sources such as static electricity from plastic drop cloths, open flamessuch as pilot lights, hot objects suchas cigarettes, arcs fromconnecting or disconnectingpower cordsor turning light switches on andoff. Extinguish or remove all sourcesof ignition.8 308-422Hand spin the cooling fan on the compressor fora few revolutions.6. Plug in the turbine andturn compressor on.Thecompressor should start.
ShutdownWARNINGThe 2 qt spray gun cups and accessow'remotepressure potsremain pressurizeduntil pressure ismanually relieved. To reduce the risk of seriousinjury from pressurizedfluid or accidental spraypressure in the cup orfrom the gun, always relievepressure pot before checking servicingoranypariof the spray system; before installing, cleaning orchanging fluid nozzles; before loosening orremoving the accessory remotepressure pot cover: andwhenever you stopspraying.1, When spraying is finished, release thegun triggerand turn off the airsupply to the gun.E2. Turn off the turbine sprayer.WARNINGThe turbine hoseoutlet may be hot. Carefullycheck the hose endbefore removing the hose,u3. If using a remote pressurepot, relieve its pressureby followingthese steps:02882a. Turn off the air supply tothe pressure pot.b. 2 112 Gallon RemotePot: Pull the pressurerelief valvering (205) until pressure is completely relieved.2 Quart fiemote Pot: Turn out thepressurerelief knob (113) about one turn. Wait untilpressure is completely relieved before removing the cover. Closethe knob before usingthesystem again.See Fig.4.NOTE: Elevate the spray gun andpull the trigger. Thiswill allow thefluid in thefluid hose to drain backintothe remote pressurepot.4. Clean the spraygun and cupas instructed in theturbine gunmanual, 308-336.308-4229
MaintenanceDailyCheck the main turbine filter dailyfor cleanliness,The turbine systems are lifetime lubricated. Theonlymaintenance required is filter cleaning and replacement.-CAUTIONDo not operate theturbine sprayer without theIIfilter installed.IIThe turbine main filterand pre-filter must be clean atall timesto providesufficient airflow to coolthe motorand atomize the fluid. Check the filters weekly,minimum. Replace the pre-filter asrequired.NOTE: To check the filter,turn on theturbine andplace a piece of paper against the airintake filter, Ifthe air intake holds the paperin place,the filter isokay.To clean the main filter:1. Turn off and unplugthe turbine.2.MainfilterscrewsLoosen the.four main filter screws. See Fig.5.3. Remove the main filterand clean it byfollowingone ofthe followingthree methods:Tap the filter gently on a flat surface,dirty sidedown.Direct compressed air (100psi [7 bar] maximum) through thefilter panel in the oppositedirection of the arrows onthe side of the filter.Soak the filter for 15minutes inwater and amild detergent. Rinse the filteruntil it is clean.Air dry the filter;do not use compressed air.WARNINGTo avoid'damageto the turbine and possibleelectric shock, never install dampafilter in theturbine.10 308-422CX-8 Turbine shown03072Fig. 5Weekly1. Check the hosefor cracks, leaks, and holes. Re-place, if necessary.Annually or 600 Hours (whichever comesfirst)1. Replace themotor brushes 600 hours after turbine sprayer operation. If the brushes arenotreplaced, motor failure will occur.NOTE: it is recommendedthat an authorizedservicecenter perform the motor brush replacement.See theprocedure on page 13.
TroubleshootingCAUSEPROBLEMRemote Container Pressur- No fluid delivery.izationSOLUTIONCheck for leaks atthe containergasket,2 quart lid, and 2 1/2 gal pot wingnuts. Check for air flowfrom male quick-dis.connect at compressor outlet (approx.1/4 CFM).Turn pressure regulator clockwise.Lookfor pressure on gauge. (If no pressureon gauge, check air lineand fittings).Check hole in tank lid under regulator 01needle valve2 Qt lid. Clean if necessaryICheck if fluid pickup tubeis unplugged.Tiahten.Blow out andclear material hose.Check container for material. (CX-8) Compressor fails to Cold weather operation.startSee Cold Weather Operation instructions, page 8.Turbine failsto startPower supply.Cycle red rockerswitch.Dirty filter. Poor atomizationClean filter.IExtension cord toolong.Hose length toolong.Red Rocker Circuit BreakerSwitch TripsIReplace with shorter extensioncord (donot exceed100 fl). IReplace with shorterhose. See Accesso
1 Sprayer Instruction Manual, 308-422 M70102, includes: 0 1 Gun Instruction Manual, 308-336 1 CX-7 Turbine Sprayer, M72781 1 Turbine Gun, M70308 1 20 ft. hose, M71580 1 CX-9 Turbine Sprayer, M72783 1 Sprayer Instruction Manual, 308-422 1 Sprayer Instruction Manual, 308-422 The contents of the CX-9 bare sprayer, Model
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